Forbes' released their annual list of Hollywood's Best Actors For The Buck, ranking the most bankable actors in the biz based on the financial return the studio receives for the actors' films.

Coming in at No. 1? Academy Award winner Natalie Portman, who provides about $42.70 for every dollar she's paid thanks to the success of films like Black Swan, which reportedly earned a whopping $329 million at the box office.

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